Further evidence for the simultaneous initiation of DNA replication in both X chromosomes of bovine female.
D000818:Animals; D001345:Autoradiography; D002417:Cattle; D046508:Culture Techniques; D003582:Cytogenetics; D004261:DNA Replication; D007962:Leukocytes / Q000166:cytology / Q000378:metabolism*; D012730:Sex Chromosomes / Q000378:metabolism*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D013936:Thymidine